<html>

<body>
    <input type="text" id="Username" name="Username" value="lee" /> &nbsp; <input type="text" id="Key" name="Key" value="UserPassword" /><br>
    <input type="text" id="Passwword" name="Passwword" value="test" /> &nbsp; <input type="text" id="Value" name="Value" value="Password" /><br>
    <button onclick="Go()">登陆</button>&nbsp;
    <button onclick="R()">注册</button>&nbsp;
    <button onclick="U()">信息</button>&nbsp;
    <button onclick="C()">修改</button><br>;
    <textarea cols="50" rows="30" id="out"></textarea>
</body>
<script>
    function C() {
        var b = new Base64();
        var Username = b.encode(document.getElementById("Username").value);
        var Passwword = b.encode(document.getElementById("Passwword").value);
        var Key = document.getElementById("Key").value;
        var Value = document.getElementById("Value").value;
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                document.getElementById("out").value = document.getElementById("out").value+"From C:"+xmlhttp.responseText+"\n"
            }
        }
        var data = "Username="+Username+"&Password="+Passwword+"&Type=Set&Key="+Key+"&Value="+Value;
        xmlhttp.open("POST","../UserInfo",true);
		xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
		xmlhttp.send(data);
    }
    function U() {
        var b = new Base64();
        var Username = b.encode(document.getElementById("Username").value);
        var Passwword = b.encode(document.getElementById("Passwword").value);
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                document.getElementById("out").value = document.getElementById("out").value+"From U:"+xmlhttp.responseText+"\n"
            }
        }
        var data = "Username="+Username+"&Password="+Passwword+"&Type=Get";
        xmlhttp.open("POST","../UserInfo",true);
		xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
		xmlhttp.send(data);
    }
    function Go() {
        var b = new Base64();
        var Username = b.encode(document.getElementById("Username").value);
        var Passwword = b.encode(document.getElementById("Passwword").value);
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                document.getElementById("out").value = document.getElementById("out").value+"From D:"+xmlhttp.responseText+"\n"
            }
        }
        var data = "Username="+Username+"&Password="+Passwword;
        xmlhttp.open("POST","../Login",true);
		xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
		xmlhttp.send(data);
    }
    function R()
    {
        var b = new Base64();
        var Username = b.encode(document.getElementById("Username").value);
        var Passwword = b.encode(document.getElementById("Passwword").value);
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                document.getElementById("out").value = document.getElementById("out").value+"From R:"+xmlhttp.responseText+"\n"
            }
        }
        var data = "Username="+Username+"&Password="+Passwword;
        xmlhttp.open("POST","../Register",true);
		xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
		xmlhttp.send(data);
    }
    function Base64() {
        // private property
        _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
        // public method for encoding
        this.encode = function (input) {
            var output = "";
            var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
            var i = 0;
            input = _utf8_encode(input);
            while (i < input.length) {
                chr1 = input.charCodeAt(i++);
                chr2 = input.charCodeAt(i++);
                chr3 = input.charCodeAt(i++);
                enc1 = chr1 >> 2;
                enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
                enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
                enc4 = chr3 & 63;
                if (isNaN(chr2)) {
                    enc3 = enc4 = 64;
                } else if (isNaN(chr3)) {
                    enc4 = 64;
                }
                output = output +
                    _keyStr.charAt(enc1) + _keyStr.charAt(enc2) +
                    _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
            }
            return output;
        }

        // public method for decoding
        this.decode = function (input) {
            var output = "";
            var chr1, chr2, chr3;
            var enc1, enc2, enc3, enc4;
            var i = 0;
            input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
            while (i < input.length) {
                enc1 = _keyStr.indexOf(input.charAt(i++));
                enc2 = _keyStr.indexOf(input.charAt(i++));
                enc3 = _keyStr.indexOf(input.charAt(i++));
                enc4 = _keyStr.indexOf(input.charAt(i++));
                chr1 = (enc1 << 2) | (enc2 >> 4);
                chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
                chr3 = ((enc3 & 3) << 6) | enc4;
                output = output + String.fromCharCode(chr1);
                if (enc3 != 64) {
                    output = output + String.fromCharCode(chr2);
                }
                if (enc4 != 64) {
                    output = output + String.fromCharCode(chr3);
                }
            }
            output = _utf8_decode(output);
            return output;
        }

        // private method for UTF-8 encoding
        _utf8_encode = function (string) {
            string = string.replace(/\r\n/g, "\n");
            var utftext = "";
            for (var n = 0; n < string.length; n++) {
                var c = string.charCodeAt(n);
                if (c < 128) {
                    utftext += String.fromCharCode(c);
                } else if ((c > 127) && (c < 2048)) {
                    utftext += String.fromCharCode((c >> 6) | 192);
                    utftext += String.fromCharCode((c & 63) | 128);
                } else {
                    utftext += String.fromCharCode((c >> 12) | 224);
                    utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                    utftext += String.fromCharCode((c & 63) | 128);
                }

            }
            return utftext;
        }

        // private method for UTF-8 decoding
        _utf8_decode = function (utftext) {
            var string = "";
            var i = 0;
            var c = c1 = c2 = 0;
            while (i < utftext.length) {
                c = utftext.charCodeAt(i);
                if (c < 128) {
                    string += String.fromCharCode(c);
                    i++;
                } else if ((c > 191) && (c < 224)) {
                    c2 = utftext.charCodeAt(i + 1);
                    string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                    i += 2;
                } else {
                    c2 = utftext.charCodeAt(i + 1);
                    c3 = utftext.charCodeAt(i + 2);
                    string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                    i += 3;
                }
            }
            return string;
        }
    }
</script>

</html>